Finding the Third Proportional to 300,064.50 and 464,312.25

Step by Step Solution

1. Step 1: Write the proportion equation
   300,064.50 : 464,312.25 = 464,312.25 : x
2. Step 2: Convert to fraction form
   300,064.50/464,312.25 = 464,312.25/x
3. Step 3: Cross multiply
   300,064.50x = 464,312.25 × 464,312.25
4. Step 4: Simplify right side
   300,064.50x = 215,585,865,500.06
5. Step 5: Solve for x
   x = 215,585,865,500.06/300,064.50
6. Step 6: Final answer
   x = 718,465.08